[Asterisk-Dev] rfc3581 - implemented correctly in * ?

[Ryan Courtnage]

Hmmm, I think * may have the syntax wrong:

from http://www.ietf.org/rfc/rfc3581.txt :

----snip----
5.  Syntax

   The syntax for the "rport" parameter is:

   response-port = "rport" [EQUAL 1*DIGIT]

   This extends the existing definition of the Via header field
   parameters, so that its BNF now looks like:

   via-params        =  via-ttl / via-maddr
                        / via-received / via-branch
                        / response-port / via-extension

6.  Example

   A client sends an INVITE to a proxy server which looks like, in part:

   INVITE sip:user at example.com SIP/2.0
   Via: SIP/2.0/UDP 10.1.1.1:4540;rport;branch=z9hG4bKkjshdyff
----snip----


* is sending as:

Via: SIP/2.0/UDP 192.168.1.102:5060;branch=z9hG4bK4b9f493c;rport

ie: rport is in the wrong spot.  Don't know this makes a difference.  

I'll try hacking chan_sip.c myself to see if the order of the parameters 
matter.

Ryan


On Friday 25 June 2004 12:44, Ryan Courtnage wrote:
> Hi,
>
> Bug #1862 implemented RFC3581.
>
> I'm no expert, but it appears that this change appends ";rport" to the end
> of the VIA header field on INVITEs sent to SIP phones:
>
>     Message Header
>         Via: SIP/2.0/UDP 192.168.1.102:5060;branch=z9hG4bK4b9f493c;rport
>
> Problem is, this breaks dialing to Uniden UIP200 phones (they don't reply
>  back when the Via header has ";rport" on the end).
>
> So, do I need to put pressure on Uniden to fix this, or has RFC2581 been
> implemented in * incorrectly ?
>
> Thanks for any help on this - I'm currently stuck using * builds previous
> to Bug #1862.
>
> Ryan
>
> PS: I'm usind nat=no ... if that matters.
>
> --
> ..................................
> Ryan Courtnage
> Coalescent Systems Inc
> 403.244.8089
> www.voxbox.ca
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